What was the significance of margaret thatcher's leadership in great britain?

She cut taxes, privatized many businesses that had before been nationalized, she put the unions back in their place who had been getting too big and had started to be toxic for the nation, she was actively involved in the navigating Britain's course in the Falklands war, she was a leading force in ending the Cold War, and helped to build better international relations, before she went in England was referred to as the sick man o Europe, it was a nation not only in decline but had accepted decline, when she left office Britain had led the world in cutting taxes rolling back socialism and demonstrating the unprovoked aggression should not pay

The answer is option b and c.